Source Tim Ferriss's book "The 4-Hour Work Week" has captured many readers since its publication in 2007. It's a self-help book that purports to lay out a plan for escaping the 9-to-5 grind and living the life of one's desires. Ferriss assures readers that they can work only four hours per week and still achieve their goals, whether they are to travel the world, start a business, or simply have more free time to follow their passions. The concept of "lifestyle design," which he defines as "the art of structuring your life to meet your passions, interests, and values," is central to Ferriss' worldview. The book is packed with practical suggestions on how to do so, from delegating duties to virtual assistants to establishing passive revenue streams through internet enterprises. One of the book's important insights is the significance of focusing on high-value activities, which are the chores that provide the best return on investment for your time....